Other
Scientific paper
Jul 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993hst..prop.4855b&link_type=abstract
HST Proposal ID #4855
Other
Hst Proposal Id #4855
Scientific paper
AO0235+164 is an unusual case of a BL Lac object with very weak emission lines, 2 metallic line absorptions at z = 0.524, 0.851, and variable 21-cm absorption at z = 0.524. It has a faint emission-line companion 2 arc sec south with z = 0.524 and another companion 1.3 arc sec East. Special goals for it will be examination of L alpha absorption at both absorption redshifts, search for UV emission lines, search for luminosity between AO0235+164 and the (variable?) companion, or around AO itself, and study of all intervening objects. UV spectropolarimetry of all objects is planned in another program.
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